20177761647

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1\times {\mathrm{4153}}^1$

素因数の和:4863

約数の個数: 32

約数和(自身を含む): 28138199040

約数和(自身を除く): 7960437393

約数列:

[1, 3, 31, 89, 93, 267, 587, 1761, 2759, 4153, 8277, 12459, 18197, 52243, 54591, 128743, 156729, 369617, 386229, 1108851, 1619533, 2437811, 4858599, 7313433, 11458127, 34374381, 75572141, 216965179, 226716423, 650895537, 6725920549, 20177761647]

約数ペア:

[(1, 20177761647), (3, 6725920549), (31, 650895537), (89, 226716423), (93, 216965179), (267, 75572141), (587, 34374381), (1761, 11458127), (2759, 7313433), (4153, 4858599), (8277, 2437811), (12459, 1619533), (18197, 1108851), (52243, 386229), (54591, 369617), (128743, 156729)]